Senior Scientist Jobs in Baltimore, MD

Gables Search Group

$125000 - $155000

Rockville, MD

If you apply to this position-please describe your experience with the following: nucleic acid chemistry enzyme systems molecular diagnosticsOur client is expanding and seeks a Research Scientist focused on Molecular Diagnostics Innovation. Pioneer novel approaches to nucleic acid amplification and detection, moving beyond conventional methodologies to develop next-generation diagnostic platforms.

U of C NORC

Washington, DC

Guide clients in their development and implementation of value-based payment methods or alternative payment models, including such elements as patient attribution, risk adjustment, cost calculations, and tracking how payment flows among stakeholders and how payment supports improvements in access and quality. Our expert team includes social scientists that acquire, collect, and analyze data from health care organizations and patients; evaluators; health services researchers; health-policy analysts; and professionals with first-hand experience running and supporting health care programs.

U of C NORC

Washington, DC

Knowledge/experience of estimating net of discounts and rebate Medicare Part D drug prices, Medicare Part B prices, Medicaid best prices from WAC and AMP, Pharmacy Benefits Manager (PBM) margins, net of discounts and rebate commercial prices, 340B prices, and volume of duplicates in Medicare and Medicaid. NORC’s expert staff has extensive knowledge of all aspects of health care delivery, from private marketplaces and employer-sponsored insurance to Medicare and Medicaid; from large health care systems to small clinics; and from the needs of children to those of older adults, people with disabilities, and ethnic and racial minorities.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

Are you interested in the research, development, design, analysis and testing of Position, Velocity, Attitude, and Timing (PVAT) systems like Global Navigation Satellite System (GNSS) receivers and navigation hardware and software?. Collaborate with a team of engineers to integrate, test and evaluate GNSS receiver and navigation hardware systems in APL test facilities, at field test sites, and external ground test facilities.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. You will work with a small team of engineers and scientists on multiple concurrent projects to collect, analyze, document and monitor requirements that fuel the engineering development cycle.

Johns Hopkins Applied Physics Laboratory (APL)

$105000 - $290000

Laurel, MD

Evolving air and missile defense planning tools and capabilities, Developing and implementing robust software solutions to complex planning challenges, Responding to feedback from the warfighter and the analyst community, Assessing new AI and Machine Learning tools and capabilities and their applicability to military planning, and. In A5C, we develop and deliver highly capable mission planning capabilities into the hands of the warfighter so they can design defenses that enhance performance across multiple simultaneous air and missile defense missions, multiple services, and multiple command echelon planning levels.

Govcio LLC

$110000 - $120000

Fort Meade, MD

The posted pay range, if referenced, reflects the range expected for this position at the commencement of employment, however, base pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, education, experience, and internal equity. If hired, employee will be in an “at-will position” and the GovCIO reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, GovCIO or individual department/team performance, and market factors.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

You will also collaborate with our software development team on improving our custom tools, including designing efficient data representations for large datasets, testing accurate interactions across interdependent algorithms, and automating production analysis pipelines. Your primary responsibilities will be developing models and performing analysis on sensor, tracker, communication, and weapon systems for mission-level simulations using AFSIM, with the goal of discovering useful information, informing conclusions, and supporting decision-making.

Innovative Analytics and Training, LLC

Mc Lean, VA

Provide high level technical research, analysis, reporting, and presentations in response to internal and external task orders and requests, which include: Congressionally Directed Actions (CDA's). Support and design studies, workshops, working groups, and projects that span through multiple organizations, agencies and technical disciplines.

Noblis

$109800 - $171525

Washington, Washington, DC

We are seeking a Senior Scientist / Subject Matter Expert - Medical with extensive expertise with the Deputy Assistant Secretary of War for Chemical, Biological, Radiological, and Nuclear Defense (DASW(CBRND)) within the Washington, DC area to join our team. Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws.

Noblis

$109800 - $171525

Washington, Washington, DC

We are seeking a Senior Scientist / Subject Matter Expert - Technology with extensive expertise with the Deputy Assistant Secretary of War for Chemical, Biological, Radiological, and Nuclear Defense (DASW(CBRND)) within the Washington, DC area to join our team. Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws.

Peraton

$146000 - $234000

Annapolis Junction, Maryland

Demonstratable proficiency in working with state-of-the-art large language models at the API level (During interviews on MS Teams, candidates are expected to use VSCode to execute tasks through programmatic interactions with OpenAI tool/function calling API). Whether you’re supporting safety validation efforts or leading teams on major FAA programs, your work will directly impact the millions of passengers and aviation professionals who rely on safe, efficient airspace operations every day.

ETS

Washington, DC

We seek quantitative scientists with expertise in one or more of the following areas: causal inference and quasi-experimental designs in education policy; analysis of large-scale assessment data (e.g., NAEP, PISA, PIAAC) and equity-forward reporting; responsible AI/ML for policy and practice (including bias detection and mitigation); measurement and validation of durable skills and civic capacities; longitudinal systems analysis; and program evaluation that translates research into actionable policy guidance. Through strategic acquisitions, we've expanded our global capabilities: PSI strengthens our workforce assessment solutions, while Edusoft, Kira Talent, Pipplet, Vericant, and Wheebox enhance our educational technology and assessment platforms across critical markets worldwide.

Graham Technologies

Bethesda, MD

Graham Technologies is seeking a Senior Functional Analyst (Research Scientist) to provide scientific and analytical support to our customers in advancing strategic research initiatives and evaluating program effectiveness in support of Warfighter Brain Health objectives. At Graham Technologies, we've built a family-oriented environment where team members are encouraged to maintain a healthy work-life balance, pursue their passions, and grow professionally through flexible schedules, continued education, and a strong sense of community.

Gables Search Group

Rockville, MD

Develop and advance next-generation phage display methodologies — including guided selection strategies, structure-informed panning, and epitope-directed approaches — expanding platform capabilities well beyond conventional campaign execution. Integrate AI/ML and computational tools into phage display workflows, leveraging generative protein design, protein language models, and in silico affinity prediction to accelerate lead identification and optimization.

Goldbelt, Inc.

$155000 - $165000

College Park, Maryland

The role of Coast Watch is to maintain, sustain, and enhance present operational capabilities with respect to ongoing improvements in the scientific development and utilization of improved, new and emerging satellite products, and services, and engage in the broader context of the evolution of operational satellite oceanography. Goldbelt Integrated Logistics Services (GbILS) provides four specific areas of expertise—Logistics Engineering, Measurement Sciences, Program Management, and Technical Support—serving the scientific, technical, and engineering needs of clients.

Peraton

$146000 - $234000

College Park, Maryland

You will work on cutting-edge research and development projects in a collaborative and innovative team environment and will be instrumental in solving the most complex challenges in a broad range of initiatives in computer network defense, secure-by-design techniques, and cyber operations and experimentation platforms. Responsibilities: Peraton Labs is seeking an experienced Senior Research Scientist to join our team supporting fully cleared research efforts for our Maryland customer.

Goldbelt, Inc.

$125000 - $140000

College Park, Maryland

Goldbelt Integrated Logistics Services (GbILS) provides four specific areas of expertise—Logistics Engineering, Measurement Sciences, Program Management, and Technical Support—serving the scientific, technical, and engineering needs of clients. Knowledge of the science of NOAA missions such as oceanography, water quality, ocean ecosystems, global air-sea dynamics, marine weather, hydrography, tropical storms, fisheries and aquaculture, harmful algal blooms, etc.

VantageScore

Washington, DC

We are seeking a highly motivated and innovative Senior Data Scientist (AI/ML) to join our brilliant team of analytics professionals and developers, supporting the cutting-edge development of credit scoring models, generation of unique insights, and delivery of transformative technologies rooted in innovative value propositions. You'll partner cross-functionally to deliver scalable AI-powered products and solutions that redefine how consumers engage with credit - ensuring our models are accurate, explainable, and aligned with our mission to empower responsible lending and financial inclusion.

ActioNet, Inc

$180000 - $255000

Washington, DC

ActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security, and IT Managed Services. Minimum Eight (8) years of relevant experience with a BS in Data Science, Mathematics, Information Science, Statistics, Engineering, Business Analytics, or related degree; OR Four (4) years of relevant experience with an MS degree in Data Science, Engineering, Mathematics, or related degree.

VantageScore

Washington, DC

We are seeking a highly motivated Senior Data Scientist (Credit File Expert) to join our team of analytics professionals and developers dedicated to advancing the science of credit scoring, uncovering unique insights, and creating next-generation products grounded in innovative value propositions. An industry thought leader and technology innovation leader, the company's most recent models score approximately 94 percent of all adults 18 and older - including 33 million more people than conventional models - without sacrificing safety and soundness.

Bigbear.ai

Washington, Washington, DC

6+ years of experience supporting the Department of War, or Intelligence Community as a decision scientist, analytic methodologist, business analyst, or data scientist. Customers and partners rely on Bigbear.ai’s predictive analytics capabilities in highly complex, distributed, mission-based operating environments.

Bigbear.ai

Washington, Washington, DC

Overview: BigBear.ai is seeking a Senior Data Scientist to conduct data analytics, data engineering, data mining, exploratory analysis, predictive analysis, and statistical analysis using scientific techniques to correlate data into graphical, written, visual, and verbal narrative products to enable more informed analytic decisions. The successful candidate should be skilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably through R, Python, or SQL; statistical analysis; and data mining algorithms.

Bigbear.ai

Washington, Washington, DC

What you will do: Employs mathematics, statics, information science, artificial intelligence, machine learning, network science, probability modeling, data mining, data engineering, data warehousing, data compression, data protection, and / or other scientific techniques to correlate complex, technical findings into narrative products on trends of existing intelligence data to leverage. Develops and utilizes machine learning and data mining algorithms, including, but not limited to, Multiple Information Model Synthesis Architecture (MIMOSA) prediction algorithms based on open-source capabilities.

For People

Arlington, VA

This position's published base salary range is between $120,000 and $140,000 annually, plus generous benefits (e.g., For People pays 100% of Gold-tier employee health insurance premiums) and annual company profit sharing. You'll be a key hands-on contributor to a high-profile project with the Centers for Medicare & Medicaid Services (CMS) that impacts millions of people.

GliaCell Technologies

Annapolis Junction, MD

A minimum of ten (10) years of experience in two (2) or more of the following: designing/implementing machine learning, data mining, advanced analytical algorithms, advanced statistical analysis, artificial intelligence, or software engineering with data analysis software such as R, Python, SAS, or MATLAB. We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat.

Peraton

$146000 - $234000

Fort Meade, Maryland

As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. In this role, you will perform advanced statistical analysis, develop ML models, and conduct operational research to support cyber defense decision-making and threat characterization.

Fiserv

$78000 - $138000

Washington D.C., DC

Strong knowledge of statistical data analysis and machine learning techniques (e.g., SVM, regression, classification, clustering, time series) and familiarity with financial analytics, time series econometrics, payment processing and marketing strategies. + Proficiency in tokenization and embeddings, as well as experience creating models, improving model training and tuning, and deploying Large Language Model architectures based on LLaMA, BERT, or Transformer-based models.

Peraton

$176000 - $282000

College Park, Maryland

You will work on cutting-edge research and development projects in a collaborative and innovative team environment and will be instrumental in developing, maintaining, and enhancing research prototype application systems, ranging from processing-intensive analytics to real-time systems and business management solutions. Responsibilities: Peraton Labs is seeking a skilled and experienced Application Prototype Engineer to join our research team supporting fully cleared research efforts for our Maryland-based IC customer.

Peraton

$176000 - $282000

College Park, Maryland

Research and develop network-based prototypes including the creation of software, scripts and documentation to demonstrate capabilities in new network technology areas (e.g., high speed networking, wireless networks). Candidates should have proficiency in skills in the following list, which outline the breadth of work available (expertise in all areas is not required): Software development skills in one or more languages (Python, Go, Java), DevOps experience for team development, CICD and version management.

iWorks Corporation

$145000 - $170000

undefined, MD

The ideal candidate brings strong technical depth, experience working with federal data environments, and the ability to communicate complex findings to both technical and non-technical audiences. This role focuses on designing and deploying machine learning models, performing complex statistical analysis, and transforming large datasets into actionable insights for federal stakeholders.

GliaCell Technologies

Annapolis Junction, MD, MD

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. GliaCell’s Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization.

Exponent Inc.

$174000 - $213000

Washington, DC, undefined

You will use your training, experience and skills to assist our clients with (1) pre- and post- market analysis of chemical, biological, and physical hazards and food safety preventive controls for supply chains, food ingredients, processing procedures, and the production environment, (2) regulatory compliance and industry best practices for food, beverages, and nutritional products, (3) root-cause analyses of product specification excursions, contamination or failures, and (4) outbreak investigations, including epidemiology, traceability and traceback, and laboratory analysis. For over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability.

Nalley Consulting

Arlington, VA

Nalley Consulting is a Service Disabled Veteran Owned Small Business working with prime partners to staff Department of Defense and Intelligence Community positions. Required education: Bachelor's degreeBasic Qualifications:Combining multiple date sources into GUI (graphic user interface) and visual and geographical displays.

Exponent Inc.

$180000 - $220500

Washington, DC, undefined

In this role you will work as part of a team to to utilize your experience and skills related to (1) nutrition (with an emphasis on animal feed), food ingredients, manufacturing process procedures, (2) ensuring current regulatory compliance requirements and industry best practices associated with food, beverages, and nutritional products (human and animals), (3) food defense related issues. For over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability.

Elastic

Washington DC, DC

By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. • Experience & Ownership: 5+ years of Data Science experience (or Master’s + 3 years) with a track record of autonomously leading complex projects to production.

Mozilla

Washington DC, DC

This Senior Data Scientist role is a highly business-facing position focused on shaping ambiguous questions, guiding data-driven decisions, and ensuring analytical outputs are accurate and actionable. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

Humana

$117600 - $161700

Annapolis, MD

To ensure Home or Hybrid Home/Office associates’ ability to work effectively, the self-provided internet service of Home or Hybrid Home/Office associates must meet the following criteria: + At minimum, a download speed of 25 Mbps and an upload speed of 10 Mbps is recommended; wireless, wired cable or DSL connection is suggested. Through our Humana insurance services and CenterWell healthcare services, we make it easier for the millions of people we serve to achieve their best health – delivering the care and service they need, when they need it.

Phasecraft

Washington, DC

Their work will contribute to Phasecraft’s goal of developing quantum algorithms for near-term quantum computers, and may encompass topics such as algorithm design, optimization and implementation, resource analysis, classical and quantum simulation benchmarking. In 2025 we completed a $34m Series B funding round co-led by Plural, existing investor Playground Global, and Novo Holdings’ Quantum Fund in its first direct quantum software investment.

Bow Wave LLC

Washington, DC

Minimum Eight (8) years of relevant experience with a BS in Data Science, Mathematics, Information Science, Statistics, Engineering, Business Analytics, or related degree; OR Four (4) years of relevant experience with an MS degree in Data Science, Engineering, Mathematics, or related degree. The focus is on enhancing the FBI's enterprise systems by maintaining secure cloud environments such as AWS and Azure, while enabling advanced data capabilities through scalable ETL pipelines and the migration of custom-developed tools into enterprise platforms.

Knowledge Management, Inc.

Arlington, VA

Knowledge Management, Inc. participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. If E-Verify cannot confirm that you are authorized to work, KMI is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment. KMI is a Minority Business Enterprise (MBE) and Small Disadvantage Business (SDB) that specializes in Logistics, Warehouse Services, Distance Learning/Training, Enterprise Solutions, Financial Management Support, Program Management, Intelligence Analysis & Threat Assessment, and Data Analytics/Operations Research.

Xometry

North Bethesda, MD

Xometry's digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity. The estimated base salary range for new hires into this role is $140,000- $182,000 annually + annual bonus depending on factors such as job-related skills, relevant experience, and location.

Xometry

$140000 - $182000

North Bethesda, MD

The estimated base salary range for new hires into this role is $140,000-$182,000 annually (+ commission OR + annual bonus) depending on factors such as job-related skills, relevant experience, and location. Xometry's digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity.

Xometry

North Bethesda, MD

Xometry's digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity. The estimated base salary range for new hires into this role is $140,000- $182,000 annually + annual bonus depending on factors such as job-related skills, relevant experience, and location.

Themis Insight

Fort Meade, MD

physics, chemistry, biology, social, and life) may be considered if it includes a concentration of coursework (typically 5 or more courses) in advanced mathematics (typically 300 level or higher; such as linear algebra, probability and statistics, machine learning) and/or computer science (e.g., algorithms, programming, data structures, data mining, artificial intelligence). Through analytic modeling, statistical analysis, programming, and/or another appropriate scientific method, develop and implement qualitative and quantitative methods for characterizing, exploring, and assessing large datasets in various states of organization, cleanliness, and structure that account for the unique features and limitations inherent in NSA/CSS data holdings.

GFT.

$95000 - $125000

Owings Mills, Maryland

Clear Ridge Defense

$105000 - $152000

Fort Meade, MD

Clear Ridge Defense is the premier service solutions provider supporting the Service and Joint cyberspace operations and intelligence community in three core areas of expertise: Cyber Systems & Software Engineering. Apply computer science skills (examples: compiler theory, database theory, algorithm analysis, computer architecture, discrete math, programming language theory, and data structures).

Clear Ridge Defense

$98000 - $215000

Fort George G Meade, MD

Clear Ridge Defense is the premier service solutions provider supporting the Service and Joint cyberspace operations and intelligence community in three core areas of expertise: Cyber Systems & Software Engineering. All delivered by highly talented and focused team members that are supported by an unmatched professional and family-oriented culture that leverages and builds on sound, proven principles.

Allen Integrated Solutions

Washington, DC

Proficiency in common geospatial software applications and tools, such as visual programming (JEMA, FADE/MIST, ECO/ETAS), Python, SQL, Git, GIMS, AWS Sagemaker, AWS Cloud, ESRI ArcGIS, statistics (descriptive, Bayesian), Markov-Chain modelling, TensorFlow, Linear Algebra, R, SAS, NLP. Position Responsibilities: Support NSG strategies through the creation of automated collection models, dynamic analytic models, workflow automations, and any other automation processes and products as assigned.

Peraton

$135000 - $216000

Fort Meade, Maryland

As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Responsibilities: Peraton seeks a Data Scientist to support Department of Defense Cyber Defense Command (DCDC) with DCO AI Cyber Security Support.